jodi arias faced aggressive questioning on the stand today about gaps in her memory on the day her boyfriend was killed in 2008. arias is charged with first degree murder. she says it was self-defense. >>> a barge struck a gas pipeline earlier off the coast of new orleans, sparking a massive the blaze that you see here. four people were injured. >>> florida's lieutenant governor has resigned amid a probe of a former client. jennifer carroll's pr firm represent a charity which authorities say was a front for illegal gambling. now it's back to "hardball." >>> there are 47% of the people who will vote for the president no matter what. all right? there are 47% who are with him, who are dependent upon government, who believe that they are victims, who believe that government has a responsibility to care for them, who believe they're entitled to health care, to food, to housing, to you name it. and so my job is not to worry about those people. i'll never convince them that they should take personal responsibility and care for their lives. >> welcome back to "hardball." with those words mitt romney